| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 1697 |
2%
|
| 2 | Once or twice a month | 2614 |
3.1%
|
| 3 | Once or twice a week | 11076 |
13%
|
| 4 | Every or almost every day | 69996 |
82%
|
| 7 | N/A | 19647 | |
| 8 | Invalid | 113 | |
| 9 | Miss | 1144 |